155241612000 has 144 divisors (see below), whose sum is σ = 550952608752. Its totient is φ = 41397753600.

The previous prime is 155241611953. The next prime is 155241612037. The reversal of 155241612000 is 216142551.

155241612000 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 41 + 612 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2120134 + ... + 2192133.

It is an arithmetic number, because the mean of its divisors is an integer number (3826059783).

Almost surely, 2^155241612000 is an apocalyptic number.

155241612000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155241612000 is an abundant number, since it is smaller than the sum of its proper divisors (395710996752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155241612000 is a wasteful number, since it uses less digits than its factorization.

155241612000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312298 (or 4312277 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 155241612000 its reverse (216142551), we get a palindrome (155457754551).

The spelling of 155241612000 in words is "one hundred fifty-five billion, two hundred forty-one million, six hundred twelve thousand".